CN217910857U - Device for preventing MPS medium speed mill deflagration - Google Patents
Device for preventing MPS medium speed mill deflagration Download PDFInfo
- Publication number
- CN217910857U CN217910857U CN202221038029.5U CN202221038029U CN217910857U CN 217910857 U CN217910857 U CN 217910857U CN 202221038029 U CN202221038029 U CN 202221038029U CN 217910857 U CN217910857 U CN 217910857U
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- China
- Prior art keywords
- pipe
- medium speed
- cavity
- deflagration
- speed mill
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- 238000004200 deflagration Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 238000003801 milling Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 23
- 239000003818 cinder Substances 0.000 abstract description 5
- 238000000227 grinding Methods 0.000 abstract description 3
- 238000010408 sweeping Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a milling machine technical field just discloses a prevent device of MPS medium speed mill deflagration, including thermostated container and fixed pipe, the middle part at fixed inside pipe chamber top is inlayed and is had the outer tube, one side of outer tube bottom is connected with feed liquor pipe one, one side on outer tube top is connected with drain pipe one, the both sides at fixed inside pipe chamber top all are equipped with the through hole, the middle part and the bottom at fixed inside pipe chamber all are equipped with the cooling structure. This prevent device of MPS medium speed mill deflagration, through outer tube, thermostated container, feed liquor pipe one and drain pipe one setting, the temperature of the intraductal coal cinder of feed can be reduced to the water of outer intraductal flow, this coal cinder enters into MPS medium speed and grinds this internal temperature of internal time meeting MPS medium speed mill, and then the temperature that leads to the buggy after grinding is less than the temperature of the buggy that traditional MPS medium speed mill ground out, reduces the probability that MPS medium speed mill body deflagration.
Description
Technical Field
The utility model relates to a milling machine technical field specifically is a device for preventing MPS medium speed mill deflagration.
Background
The MPS medium speed mill is a machine for grinding pulverized coal, which is easy to explode when the pulverized coal is ground, the main factors of explosion of a powder preparation system of the MPS medium speed mill comprise volatile matters of coal and the temperature of a gas-powder mixture at the outlet of the coal mill, the volatile matters of the coal mainly comprise combustible gases such as hydrocarbon, hydrogen, carbon monoxide, hydrogen sulfide and the like, and also comprise a small amount of incombustibles such as oxygen, carbon dioxide, nitrogen and the like, when the volatile matters of the coal are higher, the pulverized coal is easy to explode, and when the temperature of the pulverized coal is too high, the possibility of explosion of the pulverized coal is increased, so that the use of the coal mill is influenced.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model provides a prevent device of MPS medium speed mill deflagration possesses and can reduce the buggy temperature, makes the buggy be difficult for volatilizing, can reduce the temperature of the coal cinder that needs to grind, and then reduces the inside temperature of coal pulverizer, prevents the advantage of coal pulverizer deflagration etc. has solved the problem of proposing in the above-mentioned background art.
The utility model provides a following technical scheme: the utility model provides a prevent MPS medium speed mill deflagration's device, includes thermostated container and fixed pipe, the middle part at fixed inside pipe chamber top is inlayed and is had the outer tube, one side of outer tube bottom is connected with feed liquor pipe one, one side on outer tube top is connected with drain pipe one, the both sides at fixed inside pipe chamber top all are equipped with the through hole, the middle part and the bottom at fixed inside pipe chamber all are equipped with the cooling structure, the cooling structure includes heat exchange tube, hydraulic stem and cleans the board, the bottom of cleaning the board evenly inlays and has the annular brush, the inner chamber swing joint of heat exchange tube and annular brush, the outer lane of fixed pipe is connected with the current collection pipe, the tip of heat exchange tube and the interior wall connection of current collection pipe, the middle part on one side of current collection pipe is connected with feed liquor pipe two, the middle part of current collection pipe opposite side is connected with drain pipe two.
Preferably, the middle part of thermostated container inner chamber is equipped with the division board, the division board divide into two cavities to the inner chamber of thermostated container, and the inner chamber of two cavities all is connected with two diaphragms, and two diaphragms divide into backward flow chamber, temperature-changing chamber and thermostated cavity to the inner chamber of cavity, and are equipped with the water pump in the thermostated cavity, the other end of feed liquor pipe one and feed liquor pipe two all is connected with the delivery port of water pump, the other end of drain pipe one and drain pipe two extends to the backward flow intracavity.
Preferably, the middle part of the transverse plate is provided with an electric control valve, and the inner wall of the through hole is connected with a sealing ring.
Preferably, the top end and the bottom end of the flow collecting pipe are respectively provided with a water inlet cavity communicated with the two inner cavities of the liquid inlet pipe and a water outlet cavity communicated with the two inner cavities of the liquid outlet pipe, one end of the heat exchange pipe is located in the water inlet cavity, and the other end of the heat exchange pipe is located in the water outlet cavity.
Preferably, the top and the bottom of outer tube all are connected with the ring, the material of outer tube and heat exchange tube is the metal, cooling structure in the fixed tube is the distribution of square.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. this prevent device of MPS medium speed mill deflagration, through outer tube, thermostated container, feed liquor pipe one and drain pipe one setting, the temperature of the intraductal coal cinder of feed can be reduced to the water of outer intraductal flow, this coal cinder enters into MPS medium speed and grinds this internal temperature of internal time meeting MPS medium speed mill, and then the temperature that leads to the buggy after grinding is less than the temperature of the buggy that traditional MPS medium speed mill ground out, reduces the probability that MPS medium speed mill body deflagration.
2. This prevent device of MPS medium speed mill deflagration through the setting of cooling structure, can produce the heat exchange with the buggy in the MPS medium speed mill body exit, reduces the temperature of defeated intraductal buggy of powder, prevents the deflagration of buggy, and the setting of hydraulic stem and cleaning plate, makes the flexible buggy that can sweep the adhesion at the heat exchange tube surface of hydraulic stem, and the heat exchange tube of being convenient for carries out the heat transfer with the buggy.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure-fixing tube of the present invention;
FIG. 3 is a schematic sectional view of the incubator of the present invention;
FIG. 4 is an enlarged schematic view of the structure of the present invention;
fig. 5 is the cross-sectional view of the flow-gathering pipe of the present invention.
In the figure: 1. a fixed tube; 2. a second liquid outlet pipe; 3. a liquid inlet pipe II; 4. an outer tube; 5. a first liquid inlet pipe; 6. A first liquid outlet pipe; 7. a cooling structure; 8. a flow collecting pipe; 9. a feed pipe; 10. a heat exchange pipe; 11. a hydraulic lever; 12. cleaning a board; 13. an annular brush; 14. a water inlet cavity; 15. a water outlet cavity; 16. a thermostat; 17. A partition plate; 18. a transverse plate; 19. MPS medium speed mill body; 20. and (4) a water pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, a device for preventing MPS medium speed mill deflagration, including a fixed pipe 1, both sides of the top of the inner cavity of the fixed pipe 1 are provided with through holes, inner walls of the through holes are adhered with sealing rings, inner walls of the sealing rings are connected with a powder conveying pipe, an outer pipe 4 is embedded in the middle of the top of the inner cavity of the fixed pipe 1, top and bottom of the outer pipe 4 are welded with circular rings, inner walls of the circular rings are welded with a feeding pipe 9 on an MPS medium speed mill body 19, a liquid outlet pipe 6 is embedded in one side of the top of the outer pipe 4, one side of the bottom of the outer pipe 4 is connected with a liquid inlet pipe 5, the other end of the liquid inlet pipe 5 extends to the outside of the MPS medium speed mill body 19, and through the arrangement of the outer pipe 4, the liquid inlet pipe 5 and the liquid outlet pipe 6, a cooling liquid is introduced into the inner cavity of the liquid inlet pipe 5, the cooling liquid can exchange heat with materials in the feeding pipe 9, so as to reduce the temperature of the materials, thereby reducing the temperature inside of the MPS medium speed mill body 19 and reducing the temperature of discharged pulverized coal.
Please refer to fig. 4 and 5, both sides of the middle part of the inner cavity of the fixed tube 1 and both sides of the bottom end thereof are provided with cooling structures 7, and the four cooling structures 7 form a rectangular structure, the pulverized coal can be fully contacted with the cooling structures 7 by the arrangement of the positions of the cooling structures 7, which is convenient for the temperature of the pulverized coal to be reduced, the cooling structures 7 comprise a heat exchange tube 10 and a hydraulic rod 11, both ends of the heat exchange tube 10 are extended to the outer side of the fixed tube 1, one end of the hydraulic rod 11 is embedded on the fixed tube 1, the other end of the hydraulic rod 11 is connected with a sweeping plate 12 by a bolt, the bottom end of the sweeping plate 12 is uniformly embedded with an annular brush 13, the outer surface of the heat exchange tube 10 is contacted with the bristles of the annular brush 13, by the arrangement of the hydraulic rod 11 and the sweeping plate 12, the hydraulic rod 11 can drive the sweeping plate 12 to move, the sweeping plate 12 is in the moving process, the bristles of the annular brush 13 can brush can brush the pulverized coal adhered to the outer surface of the heat exchange tube 10, which is convenient for the heat exchange with the pulverized coal.
The outer lane welding of fixed pipe 1 has the current gathering pipe 8, and one side of current gathering pipe 8 is inlayed and is had feed liquor pipe two 3, and the opposite side of current gathering pipe 8 is inlayed and is had drain pipe two 2, and the top and the bottom of current gathering pipe 8 all are equipped with the intake antrum 14 with feed liquor pipe two 3 inner chambers intercommunication and go out the water cavity 15 with drain pipe two 2 inner chambers intercommunication, and the one end of heat exchange tube 10 is located intake antrum 14, and the other end of heat exchange tube 10 is located out water cavity 15.
Please refer to fig. 3, the device for preventing MPS medium speed mill deflagration further includes a thermostat 16, the middle part of the inner cavity of thermostat 16 is welded with a partition board 17, the partition board 17 is a thermal insulation board, the partition board 17 divides the inner cavity of the thermostat 16 into two chambers, and the inner cavities of the two chambers are all connected with two transverse boards 18, the inner cavities of the two transverse boards 18 are divided into a backflow cavity, a temperature-variable cavity and a constant-temperature cavity, a condenser is arranged in the temperature-variable cavity, the water in the temperature-variable cavity can be cooled, and a water pump 20 is arranged in the constant-temperature cavity, the water outlets of the two water pumps 20 are in threaded connection with the other end of the first liquid inlet pipe 5 or the second liquid inlet pipe 3, by setting the water pump 20, the water pump in the constant-temperature cavity can be pumped to the outer pipe 4 or the converging pipe 8, and the pulverized coal cooling is facilitated. An electric control valve is arranged in the middle of the transverse plate 18, and the reflux cavity, the variable temperature cavity and the constant temperature cavity can be communicated through the electric control valve, so that the cooling water can be recycled.
The heat exchange tube 10 and the material of outer tube 4 are metallic copper, the heat transfer of being convenient for, and the temperature of the water in the heat exchange tube 10 is higher than buggy dew point temperature 6 degrees centigrade, but is not more than 80 degrees centigrade, and the temperature of the water that flows in the outer tube 4 is buggy dew point temperature.
The working principle is as follows: during the use, fixed pipe 1 welding is at the top of MPS intermediate speed mill body 19, outer tube 4 is in the same place with the welding of inlet pipe 9, MPS intermediate speed mill body 19 during operation, two water pumps 20 in thermostated container 16 all work, water in two constant temperature intracavity in the thermostated container 16 of work messenger of water pump 20 pumps respectively to outer tube 4 or gather in the flow tube 8, the water that flows in the outer tube 4 produces the heat exchange with the raw materials, reduce the temperature of raw materials, the raw materials after the cooling can produce the heat exchange with the temperature in the MPS mill body 19, reduce the temperature of the buggy that MPS intermediate speed mill body 19 ground out, it flows into in heat exchange tube 10 to gather the water in the flow tube 8, the water in the heat exchange tube 10 produces the heat exchange with the buggy, reduce the temperature of buggy, prevent the deflagration.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (5)
1. The utility model provides a prevent device of MPS medium speed mill deflagration, includes thermostated container (16) and fixed pipe (1), its characterized in that: the utility model discloses a cleaning device, including fixed pipe (1), outer tube (4), one side of outer tube (4) bottom is connected with feed liquor pipe (5), one side on outer tube (4) top is connected with drain pipe (6), the both sides at fixed pipe (1) inner chamber top all are equipped with the through hole, the middle part and the bottom of fixed pipe (1) inner chamber all are equipped with cooling structure (7), cooling structure (7) include heat exchange tube (10), hydraulic stem (11) and cleaning plate (12), the bottom of cleaning plate (12) is evenly inlayed and is had annular brush (13), the inner chamber swing joint of heat exchange tube (10) and annular brush (13), the outer lane of fixed pipe (1) is connected with and gathers flow tube (8), the tip and the interior wall connection who gathers flow tube (8), the middle part that gathers flow tube (8) one side is connected with feed liquor pipe two (3), the middle part that gathers flow tube (8) opposite side is connected with drain pipe two (2).
2. The device for preventing MPS medium speed mill deflagration according to claim 1, wherein: the middle part of thermostated container (16) inner chamber is equipped with division board (17), division board (17) divide into two cavities to the inner chamber of thermostated container (16), and the inner chamber of two cavities all is connected with two diaphragm (18), and two diaphragm (18) divide into backward flow chamber, temperature-variable cavity and thermostated cavity to the inner chamber of cavity, and is equipped with water pump (20) in the thermostated cavity, the other end of feed liquor pipe (5) and feed liquor pipe two (3) all is connected with the delivery port of water pump (20), the other end of drain pipe (6) and drain pipe two (2) extends to the backward flow intracavity.
3. The device for preventing MPS medium speed milling deflagration of claim 2, wherein: and an electric control valve is arranged in the middle of the transverse plate (18), and the inner wall of the through hole is connected with a sealing ring.
4. The device for preventing MPS medium speed milling deflagration of claim 1, wherein: the top end and the bottom end of the flow collecting pipe (8) are respectively provided with a water inlet cavity (14) communicated with the inner cavity of the liquid inlet pipe II (3) and a water outlet cavity (15) communicated with the inner cavity of the liquid outlet pipe II (2), one end of the heat exchange pipe (10) is positioned in the water inlet cavity (14), and the other end of the heat exchange pipe (10) is positioned in the water outlet cavity (15).
5. The device for preventing MPS medium speed mill deflagration according to claim 1, wherein: the top and the bottom of outer tube (4) all are connected with the ring, the material of outer tube (4) and heat exchange tube (10) is the metal, cooling structure (7) in the fixed pipe (1) are the distribution of mouth style of calligraphy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221038029.5U CN217910857U (en) | 2022-04-28 | 2022-04-28 | Device for preventing MPS medium speed mill deflagration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221038029.5U CN217910857U (en) | 2022-04-28 | 2022-04-28 | Device for preventing MPS medium speed mill deflagration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217910857U true CN217910857U (en) | 2022-11-29 |
Family
ID=84175552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221038029.5U Active CN217910857U (en) | 2022-04-28 | 2022-04-28 | Device for preventing MPS medium speed mill deflagration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217910857U (en) |
-
2022
- 2022-04-28 CN CN202221038029.5U patent/CN217910857U/en active Active
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